LaCie 300820U - DVD+/-RW Drive Slim Design User manual

Brand: LaCie

Model: 300820U - DVD+/-RW Drive Slim Design

Category: Optical disc drives

Type: User manual

This manual is also suitable for

Table of Contents

Foreword 2

Precautions 4

1. Unpacking Your LaCie Drive 6

1.1. Minimum System Requirements 7

1.1.1. Mac Users 7

1.1.2. Windows Users 8

2. Getting Connected 9

2.1. Install the Recording Software 10

2.2. Connect the Power Supply and Switch On the Drive 11

2.3. Connect the USB 2.0 Cable to the Drive and to Your Computer 13

3. Using Your LaCie Drive 14

3.1. Supported DVD and CD Formats 14

3.1.1. CD and DVD Media Definitions 15

3.1.2. DVD-Video Zone 16

3.2. Inserting Discs 17

3.3. Ejecting Discs 18

3.4. Emergency Ejection of Discs 18

3.5. Accessing Discs 19

3.6. Writing Discs 19

4. Helpful Information 21

4.1. Advice for Optimizing USB 2.0 Connections 21

4.1.1. What Is USB 2.0? 21

4.1.2. Disconnecting USB 2.0 Devices 22

4.1.3. Data Transfers 23

4.2. User Advice on MPEG-II Decoders 24

4.3. File System Formats - Definitions 24

4.4. DVD Capacity 25

5. Troubleshooting 26

6. Contacting Customer Support 30

7. Warranty 34

page 1

Copyrights

transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior

written consent of LaCie.

Trademarks

Apple, Mac and Macintosh are registered trademarks of Apple Computer, Inc. Microsoft, Windows, Windows 98 SE,

Windows Millennium Edition, Windows 2000 and Windows XP are registered trademarks of Microsoft Corporation. All

trademarks mentioned in this manual are the property of their respective owners.

Changes

The material in this document is for information only and is subject to change without notice. While reasonable efforts have

been made in the preparation of this document to assure its accuracy, LaCie assumes no liability resulting from errors or

omissions in this document, or from the use of the information contained herein. LaCie reserves the right to make changes or

revisions in the product design or the product manual without reservation and without obligation to notify any person of such

revisions and changes.

Federal Communications Commission Radio Frequency Interference Statement (FCC)

WARNING: Changes or modifications to this unit not expressly approved by the

party responsible for compliance could void the user’s authority to operate the

equipment. This equipment has been tested and found to comply with the limits for a

Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are

designed to provide reasonable protection against harmful interference when the

equipment is operated in a commercial environment. This equipment generates, uses,

and can radiate radio frequency energy, and if not installed and used in accordance

with the instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause

harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user

is encouraged to correct the interference by one of the following measures:

• Reorient or relocate the receiving antennas.

• Increase the separation between the equipment and the receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the reseller or an experienced radio/TV technician for help.

Shielded cables and I/O cards must be used for this equipment to comply with the relevant FCC regulations.

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may

not cause harmful interference, and (2) this device must accept any interference received, including interference that may

cause undesired operation.

page 2

Tested To Comply

With FCC standards

FOR HOME OR OFFICE USE

LaCie Slim Optical Drive USB 2.0

sU2

Canada Compliance Statement

This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.

Manufacturer’s Declaration for CE Certification

We hereby certify that this device is in compliance with both the EMC Directive (89/336/EEC) and the Low Voltage Directive

(73/23/EEC) issued by the Commission of the European Community.

Compliance with these directives implies conformity to the following European Norms:

Class B EN60950, EN55022, EN50082-1, EN61000-3-2

With reference to the following conditions:

73/23/EEC Low Voltage Directive

89/336/EEC EMC Directive

Laser Products

This equipment is certified to comply with DHHS Rule 21 CFR Chapter I, subchapter J in effect as of date of manufacture. This

equipment is classified as a Class I Laser product and no hazardous laser radiation is emitted outside the drive.

page 3

Health, Safety and General Use Precautions

The drive you have just purchased includes a laser diode device, which classifies it as a "Laser Class I" product. This laser is

not dangerous for the user under normal operating conditions. However, we strongly advise you not to place any reflective

objects in the disc loading system, due to the risk of exposure to laser emissions that may be reflected by such objects.

Always follow the basic precautions listed below to use your LaCie drive safely and correctly. Respecting these guidelines will

help to avoid the possibility of personal injury to yourself or others, as well as to prevent damage to your device and other

computer equipment. These precautions include, but are not limited to, the following:

Health and Safety Precautions:

• Read this User's Manual carefully, and follow the correct procedure when setting up the device.

• Do not look inside or place your hand over the open DVD/CD media tray. Never look directly or indirectly (with a mirror)

at the laser diode, even when the device is not in operation. If you expose your eyes or skin to the laser inside you drive, you

risk damage or loss of your vision or other personal injury.

• Do not open your drive or attempt to disassemble or modify it. Never insert any metallic object into the drive to avoid any

risk of electrical shock, fire, short-circuiting or dangerous emissions. Your drive contains no user-serviceable parts. If it

appears to be malfunctioning, have it inspected by qualified LaCie service staff.

• Never expose your device to rain or use it near water or in damp or wet conditions. Never place containers on it

containing liquids that may spill into its openings. Doing so increases the risk of electrical shock, short-circuiting, fire or

personal injury.

• Make sure that the computer and drive are electrically grounded. If the devices are not grounded, there is an increased risk

of electrical shock.

• Do not listen to audio with headphones at an excessive volume for prolonged periods of time. Doing so increases the risk of

hearing damage or loss.

• Before listening to music with your drive, set the volume control to minimum. Sudden bursts of sound at loud volumes can

cause immediate hearing damage or loss.

page 4

General Use Precautions:

• Do not expose the drive to temperatures outside the range of 5° C to 40° C (41° F to 104° F) during operation. Doing so

may damage the drive or disfigure its casing. Avoid placing your drive near a source of heat or exposing it to sunlight (even

through a window). Inversely, placing your drive in an environment that is too cold or humid may damage the unit.

• Do not block the ventilation outlets on the rear of the drive. These help to keep your drive cool during operation. Blocking

the ventilation outlets may cause damage to your drive and cause an increased risk of short-circuiting or fire.

• Always unplug the drive if there is a risk of lightning or if it will not be used for an extended period of time. Otherwise,

there is an increased risk of electrical shock, short-circuiting or fire.

• Do not place heavy objects on top of the drive or use excessive force on its buttons, connectors and tray. Doing so increases

the risk of damage to the device.

• Always place your drive in a horizontal position before using it. Otherwise, it may fall, causing damage to the device and

/ or corruption or loss of data.

• Always remove the disc from the disc tray before transporting your drive. Otherwise, written data may be destroyed or the

drive's internal components may be damaged.

• Never use excessive force on the disc loading system; discs should be inserted effortlessly into your drive. If you detect a

problem, consult the T

roubleshooting section.

• Protect your drive from excessive exposure to dust during use or storage. Dust can build up inside the device, increasing the

risk of damage or malfunction.

• Never use benzene, paint thinners, detergent or other chemical products to clean the outside of the drive. Such products will

disfigure and discolor the front panel and casing. Instead, use a soft, dry cloth to wipe the device.

page 5

1. Unpacking Your LaCie Slim DVD±RW Drive

Become the producer, director and star of your own DVD epics, the DJ with the freshest music compilations, and the IT expert

that archives all of your important files and data. Use your LaCie Slim DVD±RW Drive in conjunction with the included

software to create a wide-range of multimedia projects, view DVDs and backup critical volumes and folders.

Double Layer DVD Recording

With the same technology that underpins Hollywood-style DVD-Videos, Double Layer (DL) discs are compatible with most

consumer set-top DVD players and computer DVD-ROM drives. On one DVD+R9 DL disc, you’ll be able to store up to four

hours of MPEG-2 video, sixteen hours of VHS-quality video or increase the video bit rate for higher quality movies. And with

8.5GB of storage space on a single DL disc, they’re ideal for archiving and backup applications, and could even be used as

replacement for tape in some instances.

Now you have the tools to make high-impact, professional quality DVD videos, conveniently make system backups and

preserve all of your memories for the future.

Within minutes you’ll be connected and creating. There’s no worries about compatibility, either, because the LaCie DVD±RW

Drive supports all the major DVD formats and works with both Macs and PCs.

page 6

LaCie Slim DVD±RW Drive

Hi-speed USB 2.0 certified cable

USB Power Sharing Cable

Power supply

LaCie DVD Utilities CD-ROM (2)

Blank LaCie DVD-R media (1)

page 7

1.1. Minimum System Requirements

1.1.1. Mac Users

Hardware Requirements –

Computer equipped with a USB interface card.

System Requirements –

Double Layer Recording Single Layer Recording

• 8.5GB Double Layer disc • 4.7GB Single Layer disc

• 700MHz G4 or later • 700MHz G4 or later

• Mac OS 10.2 or later • Mac OS 9.1 or later

• 64MB of RAM • 16MB of RAM

(256MB is recommended) (24MB is recommended)

• QuickTime 6 or later • QuickTime 4.0 or later

Important Note:

Additional Requirements for DVD playback and Pre-Mastering –

Monitor resolution of 1024 x 768, 24-bit color

Additional Requirements for DV Capturing and DVD Authoring –

Minimum of 128MB of RAM (256MB is recommended)

1GB of free hard disk space for every 5 minutes of DV video capture

4.5GB of free hard disk space for copying a single layer DVD-Video disc

8GB of free hard disk space for copying a double layer DVD-Video disc

Important Note:

Tech Note:

Mac Users!

USB Connectivity:

DVD Playback:

Apple Disc Recording Updater:

1.1.2. Windows Users

Hardware Requirements –

Computer equipped with a Hi-Speed USB 2.0 interface card.

Tech Note:

System Requirements –

Double Layer Recording Single Layer Recording

• 8.5GB Double Layer disc • 4.7GB Single Layer disc

• Windows 2000 (SP4 or later) or XP (SP1 or later) • Windows 98SE, Me, 2000 or XP

• 500-MHz Intel® Pentium III or equivalent • 500-MHz Intel Pentium III or equivalent

• 128MB of RAM (256MB is recommended) • 128MB of RAM

Important Note:

Additional Requirements for DVD Playback and Pre-Mastering –

SVGA video card supporting DirectDraw Standard

Sound Blaster compatible sound card

Microsoft DirectShow 6.4 or greater

Monitor resolution of 1024 x 768, 24-bit color

Additional Requirements for DV Capturing and DVD Authoring –

Minimum of 128MB of RAM (256MB is recommended)

1GB of free hard disk space for every 5 minutes of DV video capture

4.5GB of free hard disk space for copying a DVD-Video disc

8GB of free hard disk space for copying a double layer DVD-Video disc

Additional Requirements for Roxio Easy CD & DVD Creator and Easy Media Creator –

Easy CD & DVD Creator Easy Media Creator

Video Editing Intel Pentium III 500-MHz or faster Intel Pentium III 1.2-GHz or faster

DV/Analog to MPEG encoding Intel Pentium III 800-MHz or faster Intel Pentium III 1.2-GHz or faster

Important Note:

page 8

2. Getting Connected

Follow these steps to quickly get your LaCie Drive powered on and connected to your computer. Click on

a step to get started!

2.1. Install the Recor

ding Software

2.2. Connect the Power Supply and Switch On the Drive

2.3. Connect the USB 2.0 Cable to Your LaCie Drive and to Your Computer

Once you’ve gotten the drive powered on and connected to your computer, move on to section 3. Using

Your LaCie Drive for important information on how to utilize your drive.

page 9

page 10

2.1. Installing The LaCie DVD Utilities

Insert your LaCie DVD Utilities CD-ROM into your internal DVD/CD-ROM, and follow the instructions below that are based

on each particular operating system. For more information about the various programs, please refer to the Help sections of

the specific software program.

Mac Users:

Mac OS 10.2 and later –

Double-click the the LaCie DVD Utilities CD-

ROM icon and then open the “Roxio Toast

Lite” folder. Drag and drop the Roxio Toast

Lite 6.x.x.L application icon into the

Applications folder on your hard drive.

Mac OS 9.1 and later –

Double-click the the LaCie DVD Utilities CD-

ROM icon and then open the “Roxio Toast

Lite” folder. Click on the Roxio Toast Lite

5.2.2L icon on follow the on-screen

instructions to complete the installation.

Important Note:

Windows Users:

Windows 2000/XP –

Click on Easy Media Creator and DVDMax Player (separately) and follow the on-screen instructions to complete the

installation.

Windows 98SE/Me –

Click on Easy CD & DVD Creator, DVDMax Player and the USB 2.0 Drivers (if you will be using the Hi-Speed USB 2.0

interface) and follow the on-screen instructions to complete the installation.

Important Note:

DVD Utilities

2.2. Connect the power supply and switch on the drive.

Your LaCie Drive includes two types of external power supplies: an external power supply (Option A) and a USB Power

Sharing Cable (Option B). Use Option A when you are using your drive near an electrical outlet, and use Option B when you

do not have access to an electrical outlet and wish to draw power from your computer.

Option A

Insert the round end of the external power supply into the port on the rear of your drive.

Plug the large end of the external power supply into a properly grounded electrical outlet.

Switch on your drive.

Warning! Use only the AC adapter supplied with your specific LaCie drive. Do not use a power supply from another

LaCie drive or another manufacturer. Using any other power cable or power supply may cause damage to the device

and void your warranty. Always remove the AC adapter before transporting your LaCie drive. Failure to remove the

adapter may result in damage to your drive and will void your warranty.

page 11

Power Supply -Option A

Option B

Insert the round end of the USB Power Sharing Cable into the port on the rear of your drive.

Insert the USB end of the power sharing cable into an available USB port* on your computer.

Switch on your drive.

Important Note: *In order for the USB Power Sharing Cable to draw a sufficient amount of power from your

computer, it must be plugged into a powered USB port.

page 12

Power Supply -Option B

2.3. Connect the USB 2.0 cable to your LaCie Drive and to your computer.

Examine the cable carefully and make sure that you have the USB 2.0 cable properly aligned, then insert the cable

firmly into the USB port on the back of the drive for a stable connection.

Look for a USB 2.0* logo (which generally is used to identify the port) next to the connector on the front or back of

your computer, then insert the cable firmly into the USB port for a stable connnection.

Tech Note: Please refer to section 4.1 Advice for Optimizing USB 2.0 Connections for important information on

disconnecting USB 2.0 devices and ensuring optimum performance.

Tech Note: *To achieve USB 2.0 speeds, your drive must be connected to a USB 2.0 host port. If it is connected to a

USB 1.1 port, your drive will operate at USB 1.1 speeds. For more details, see 4.1 Advice for Optimizing USB 2.0

Connections.

page 13

USB 1.1 Logo

USB 2.0 Logo

3. Using Your LaCie Drive

3.1. Supported DVD/CD Formats

Your LaCie drive is compatible with most popular DVD and CD formats:

Format Type of Disc Record Read

DVD DVD+R9 DL X X

DVD+R X X

DVD+RW X X

DVD-R 4.7GB for General use (Ver. 2.0) X X

DVD-ROM -- X

DVD-R 3.95GB, 4.7GB for Authoring -- X

DVD-R (General use only for write) X X

DVD-RW (General use only for write) X X

DVD-ROM (single and dual layer) -- X

DVD (single and dual layer) 80 mm disc -- X

CD CD-R X X

CD-RW (supports AM2) X X

CD-ROM -- X

CD-ROM XA Mode2 (form 1, form 2) -- X

CD-Extra -- X

Ideal recording techniques:

• Close all other open programs and disconnect from the internet;

• Copy data to your hard drive first;

• Use the correct media with the appropriate speed rating;

• Use media that is free of scratches and fingerprints;

Check LaCie’s Web site (

www.lacie.com) often for the latest information on creating CDs and DVDs.

page 14

Tech Note:

Use your LaCie DVD±RW Drive to:

• Create audio CDs

• Create a DVD-Video

• Create data CD/DVDs

• Create a backup

• Duplicate a CD/DVD

3.1.1. CD and DVD Media Definitions

Your LaCie DVD±RW Drive will let you create, save and share your digital files to CD-R/RW, DVD-R/RW, DVD+R/RW and

DVD+R9 DL media. Please refer to section 2.1. Minimum System Requir

ements and your recording software’s documentation

to see which recording techniques your computer supports.

DVD+R9 DL Discs:

• Best suited for: recording high-quality DVD videos, backing up systems and archiving large data DVDs.

• These discs follow the DVD+ recording techniques, but with 8.5GB of capacity versus 4.7GB for DVD±R discs.

• With the increased capacity, it is now possible to increase the video bit rate for higher quality DVD videos.

DVD+R Discs:

• Best sutied for: recording DVD videos, storing multiple photo albums and data DVDs under 4.7GB.

• These discs have the same write-once concept as CD-R media, but with 4.7GB of capacity versus 700MB for CD-R discs.

• DVD+R supports “lossless linking” and the combination of Constant Angular Velocity (CAV) and Constant Linear Velocity

(CLV) recording techniques.

DVD+RW Discs:

• Best sutied for: backing up and archiving digital content.

• These discs are functionally similiar to CD-RW and DVD-RW discs, but utilizes the same recording techniques as DVD+R.

• Incorporates the Direct Overwrite (DOW) system, allowing data to be written directly over existing data in a single pass.

DVD-R Discs:

• Best sutied for: recording DVD videos, storing multiple photo albums and data DVDs under 4.7GB.

• These discs are also functionally similiar to CD-R media, and have the same capacity as DVD+R discs.

• There are two types of DVD-R discs: DVD-R General, which are intended for home applications, and DVD-R Authoring,

which are intended for professional DVD-Video development applications.

DVD-RW Discs:

• Best sutied for: backing up and archiving digital content.

• These discs serve the same general purpose as CD-RW media, but with 4.7GB of space versus 650MB.

• Discs can be written and erased up to 1,000 times.

CD-R Discs:

• Best sutied for: recording audio CDs, store photos and data CDs.

• Files can not be deleted from CD-R discs, and you cannot write over existing files on a CD-R disc.

CD-RW Discs:

• Best suited for: passing medium sized files around an office or among students.

• Discs can be reformated up to 1,000 times, and files can be written over.

• Most CD-ROM drives and audio CD players cannot read CD-RW discs.

page 15

3.1.2. DVD-Video Zone

Nearly all commercially-available DVD discs feature a Region Protection Code (RPC). In order to watch DVD-Video discs, the

RPC needs to match the setting on the DVD player. By default, all LaCie DVD-Video-compatible drives are set to the RPC zone

of the country in which it was purchased. This RPC setting may be changed using your hardware or software MPEG-II

decoder (please refer to the documentation supplied with your decoder for more information). DVD-Video discs that do not

feature RPC II encoding may be played on all DVD players set to Zone 1.

The worldwide RPC zones are:

Zone 1 USA and Canada

Zone 2 Europe, Japan, the Middle East and South Africa

Zone 3 Southeast Asia (including Hong Kong)

Zone 4 Australia, New Zealand, Central and South America

Zone 5 Northwest Asia, North Africa

Zone 6 China

When you insert a DVD-Video disc into your drive for the first time, the hardware or software MPEG-II decoder will detect if

the setting of your drive is the same as on the DVD-Video. If not, a message will appear on your screen and you will be

asked to change the RPC setting of your drive.

Important Note: You can only change the RPC of your drive four times. The RPC setting is copied into an internal component

in the drive. This chip makes an average of the first five readings and sets the drive to the most read zone. After this, it will

not be possible to change or reset the RPC of the drive.

Example: You change the RPC Zone to play a Zone 1 DVD-Video, and then you change to a Zone 2 DVD-Video. You switch

back and forth between the zones a total of five times, twice in Zone 1 and three times in Zone 2. Your drive will then be set

on Zone 2, without the possibility to reset the drive later on in order to view DVD-Video discs from Zone 1.

page 16

3.2. Inserting Discs

To insert a disc, push the Open/Close (#1) button on your LaCie Slim DVD±RW Drive. When the disc tray opens, put the

DVD or CD media into the tray with the label side facing up. Make sure the DVD or CD is correctly placed in the center of the

disc tray. Gently push in the disc tray or push the Open/Close button to close it.

Do not attempt to force the door open, you will damage the drive. The power must be on in order to open the drive. The drive

must be on a flat surface to work correctly.

To close your LaCie Slim DVD±RW Drive, press the Open/Close button on the front of the drive.

Warning!

• Do not force the tray closed. You will damage the drive.

• Always remove discs before transporting the drive.

• Never move the drive while it is in operation.

page 17

Open/Close Button

Activity LED

Emergency Eject Hole

Media Tray

Fig.3.2

3.3. Ejecting Discs

Warning! Do not attempt to open the drive's disc tray or remove the DVD or CD while the unit is in use and being

accessed by the computer. You may injure yourself, and damage the drive and/or your computer system. Do not

transport the drive with the tray open or with a DVD or CD disc inside it. Doing so may damage the drive and/or

data stored on the disc, and will void your warranty.

Windows Users

After you have finished using the Slim DVD±RW drive and the computer is no longer accessing it, push the Open/Close

button (fig.3.2 #1

). When the disc tray is fully open, remove the DVD or CD. After removing the disc, gently push in the disc

tray or push on the Open/Close button to close it.

You can also go into

My Computer and right-click the Slim DVD±RW drive icon. In the drop-down menu that follows, select

the

Eject option. The disc tray will open, then you can access your media.

Mac Users

Drag the DVD/CD icon on the desktop to the Trash. The Slim DVD±RW drive's tray will then open. Remove the DVD or CD.

Gently push in the disc tray or push the load/eject button to close it.

3.4. Emergency Ejection of Discs

In the event that a CD or DVD cannot be ejected with the Open/Close button and the software is not controlling the drive, use

the emergency eject operation to open the disc tray. First, switch off your computer and unplug the interface cable.

Warning! Make sure the Slim DVD±RW drive is off and the power unplugged before attempting the emergency

ejection procedure.

On the front of the drive is the Emergency Eject Hole (fig.3.2 #3). Insert a small metal poker, such as an unbent paper clip,

into the Emergency Eject Hole until the poker presses against the manual eject mechanism. You will feel the mechanism eject

the disc tray. Only use this method when the Open/Close button is not working.

page 18

3.5. Accessing Discs

Windows Users

The CD or DVD volume will appear in My Computer. Click on My Computer to view the contents of the CD or DVD and to

have access to the folders and files on it.

You can also gain access to the files and folders contained on the disc by going into Windows

Explorer and clicking on the

CD/DVD-ROM drive icon.

Mac Users

The CD or DVD volume will appear as an icon on the Desktop. Click on the icon to have access to the contents of the CD or

DVD.

Important Note: At the time of publication, if your Mac does not have a native, built-in DVD-ROM or Combo (CD-

RW and DVD-ROM) Drive, Apple does not support DVD-Video playback over external, third-party DVD drives.

3.6. Writing Discs

The following is a brief overview of some of the recording terminology to help you understand how to use your drive to write

discs.

Important Note:

3.6.1. DVD±RW Writing Methods

Disc at Once (DAO) – A DVD writing process in which the entire DVD is recorded in one session, and data cannot be added

after the recording is finished. Differs from the CD-R DAO method because the lead-in, data area and lead-out areas are all

written sequentially.

Incremental Recording (IR) – A DVD writing process that is similiar to the Session at Once (SAO) CD-R writing method; files

may be added directly to the DVD-R disc one recording at a time, instead of recording the files to a hard drive before writing

the disc. The minimum recorded size, though, must be at least 32KB (even if the file to be recorded is smaller than that), and

capacities and write speeds are decreased due to the overhead of combined lead-in/out areas and data. Also, the disc must

be finalized before it may be played back by a drive other than the drive recording the disc.

Multi-Border Recording (MBR) – A DVD writing process that is very similiar to IR, MBR allows you to make an IR disc and

then play the disc back on a device that recognizes this type of recording method. MBR creates a very short boundary zone

around a recording session so a compatible player or DVD-ROM drive does not attempt to play beyond the border of the

recorded area, instead allowing the unfinalized disc to be read by a player that supports this recording method.

page 19

Restricted Overwriting (RO) – A DVD writing process that only applies to Slim DVD±RW discs. With this method, if a disc

has already been written to, new data segments can be randomly inserted anywhere within the recorded boundary. New

data, however, can only be added to an area of the disc that has already been recorded over and from the point where the

last session was stopped.

Session at Once (SAO) – A DVD writing process which is similar to DAO, where all of the information is written in one

session, but SAO allows for the ability to begin another session and record at a later time. This mode allows for greater

control of the recording process than Packet Writing (PW) or TAO, and more disc space can be utilized because there is no

need for gaps between tracks.

Packet Writing (PW) – A writing process that is very useful for data backup. Buffer underrun* is impossible in this mode,

because the data is written in “packets” of a few KBs.

3.6.2. CD Writing Methods

Disc at Once (DAO) – A CD writing process in which the entire CD is recorded in one session, and data cannot be added

after the recording is finished. This mode allows for the most control of the recording process for audio CDs because the gap

between tracks can be set and the maximum capacity of the CD can be utilized.

Packet Writing (PW) – A CD writing process that is very useful for data backup, but cannot be used to write audio CDs.

Buffer underrun* is impossible in this mode, because the data is written in “packets” of a few KBs.

Session at Once (SAO) – A CD writing process which is similar to DAO, where all of the information is written in one session,

but SAO allows for the ability to begin another session and record at a later time. This mode allows for greater control of the

recording process than PW or TAO, and more disc space can be utilized because there is no need for gaps between tracks.

Track at Once (TAO) – A CD writing process where data is added one track at a time, and the data can be added at a later

time. The CD being written to, though, can only be read in the CD rewritable drive that is recording it until the disc is finalized

(meaning that no more data can be added). There is also a gap of 2 seconds added between tracks, which will be heard as

noise in some audio players.

Tech Note:

*Buffer Underrun –

page 20

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